Although I wouldn't have expected it to take 20 restarts, it's still good that it helped resolving the issue. I'm not entirely sure of the implications having increased osd_map_share_max_epochs that much. Did you set it back to the default? If not, I recommend to monitor disk usage closely (monitor store), and maybe OSD memory usage as well. Zitat von Gilles Mocellin via ceph-users <ceph-users@ceph.io>:

Le mardi 23 juin 2026, 11:18:45 heure d’été d’Europe centrale Eugen Block via ceph-users a écrit :

...

Hi,

this sounds familiar:

https://lists.ceph.io/hyperkitty/list/ceph-users@ceph.io/thread/Y2YKHQZSBYA7 GS4D4YSPSNMWNE5QMETH/#ZTUQ2CE5547LOPBGQOXHUF63F6UU3RKO

You could set the OSD "in" and then retry starting it a couple of times.

Regards, Eugen

Yes that sound really that. There's a RedHat solution about that (behind a closed wall), they suggest to set to 1000 thoses settings : osd_map_share_max_epochs and another (I can't access it from here...).

It didn't work at first so I thought it wasn't it. But I certainly was far behind more than 1000... My OSD stayed down/out for at least 4 days.

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